ICD D83ORPHA:1572CVID

Common Variable Immunodeficiency

Common Variable Immunodeficiency is the most common symptomatic primary antibody deficiency, characterised by low immunoglobulin levels, poor vaccine responses, and increased susceptibility to recurrent infections. It is typically diagnosed in the second or third decade of life. Treatment requires regular immunoglobulin replacement therapy.

511
Articles
47
Trials
Updated
5 April 2026
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Common Questions

What is Common Variable Immunodeficiency?

Common Variable Immunodeficiency is the most common symptomatic primary antibody deficiency, characterised by low immunoglobulin levels, poor vaccine responses, and increased susceptibility to recurrent infections. It is typically diagnosed in the second or third decade of life. Treatment requires regular immunoglobulin replacement therapy.

How many clinical trials are available for Common Variable Immunodeficiency?

RareWays currently indexes 47 clinical trials for Common Variable Immunodeficiency, of which 9 are actively recruiting. Trial availability changes as new studies are registered — check the trials tab for current status.

Where does the research data for Common Variable Immunodeficiency come from?

RareWays aggregates research from PubMed, Europe PMC, OpenAlex, and ClinicalTrials.gov. Data is updated regularly by Rocky, RareWays' automated research engine. All articles and trials link directly to their original sources.

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This information is for general awareness only.

For guidance specific to your situation, please speak with your healthcare team.